Determine the identity of the daughter nuclide from the electron capture by 84be.
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Ответ:
Explanation:
1) Electrons are called beta radiation (β)
2) Electrons are considered massless and with 1 negative charge, so in the nuclear reactions they are written as:
0 e-1
Which means that they do not change the mass number of the isotope but reduces its atomic number in 1.
2) Then, the capture of one electron by berylium-8 means that it will reduce its atomic number in one unit and while its mass number will be the same.
3) The given isotope is:
8
Be 4
4) Then the resultant daughter will have the same mass number (8) and aomic number 3.
The element with atomic number 3 is Li, so it will be:
8 Li3
5) The total nuclear reaction is:
8 0 8
Be + 1 e → Li
4 -1 3
Ответ:
2. Noble Gas (Noble gases are located in group 18 on the Periodic Table)